Recent research has discounted the benefit of vitamin D supplementation in protection against infection with COVID-19.
Jolliffe, David, et al. “Vitamin D Supplements for Prevention of Covid-19 or other Acute Respiratory Infections: a Phase 3 Randomized Controlled Trial (CORONAVIT).” medRxiv (2022).
Sharing some research into the benefit of vitamin D for severe COVID-19.
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